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refactor
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@ -1,5 +1,6 @@
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use <polyline2d.scad>;
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use <stereographic_extrude.scad>;
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use <square_maze.scad>;
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use <experimental/mz_blocks.scad>;
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x_cells = 10;
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cell_radius = 20;
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@ -8,6 +9,108 @@ fn = 24;
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shadow = "YES"; // [YES, NO]
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wall_height = 1;
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module build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness, left_border = true, bottom_border = true) {
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// NO_WALL = 0;
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// UPPER_WALL = 1;
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// RIGHT_WALL = 2;
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// UPPER_RIGHT_WALL = 3;
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function no_wall(block) = get_wall_type(block) == 0;
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function upper_wall(block) = get_wall_type(block) == 1;
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function right_wall(block) = get_wall_type(block) == 2;
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function upper_right_wall(block) = get_wall_type(block) == 3;
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function block(x, y, wall_type, visited) = [x, y, wall_type, visited];
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function get_x(block) = block[0];
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function get_y(block) = block[1];
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function get_wall_type(block) = block[2];
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function cell_position(x_cell, y_cell) =
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let(
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grid_h = 2 * cell_radius * sin(60),
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grid_w = cell_radius + cell_radius * cos(60)
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)
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[grid_w * x_cell, grid_h * y_cell + (x_cell % 2 == 0 ? 0 : grid_h / 2), 0];
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module hex_seg(begin, end) {
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polyline2d(
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[for(a = [begin:60:end])
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[cell_radius * cos(a), cell_radius * sin(a)]],
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wall_thickness,
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startingStyle = "CAP_ROUND", endingStyle = "CAP_ROUND"
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);
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}
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module build_upper_right() { hex_seg(0, 60); }
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module build_upper() { hex_seg(60, 120); }
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module build_upper_left() { hex_seg(120, 180); }
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module build_down_left() { hex_seg(180, 240); }
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module build_down() { hex_seg(240, 300); }
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module build_down_right() { hex_seg(300, 360); }
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module build_cell(block) {
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module build_right_wall(x_cell) {
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if(x_cell % 2 != 0) {
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build_down_right();
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}
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else {
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build_upper_right();
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}
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}
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module build_row_wall(x_cell, y_cell) {
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if(x_cell % 2 != 0) {
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build_upper_right();
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build_upper_left();
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}
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else {
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build_down_right();
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}
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}
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x = get_x(block) - 1;
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y = get_y(block) - 1;
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translate(cell_position(x, y)) {
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build_row_wall(x, y);
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if(upper_wall(block) || upper_right_wall(block)) {
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build_upper();
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}
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if(right_wall(block) || upper_right_wall(block)) {
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build_right_wall(x);
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}
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}
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}
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// create the wall of maze
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for(block = maze_vector) {
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build_cell(block);
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}
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if(left_border) {
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for(y = [0:y_cells - 1]) {
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translate(cell_position(0, y)) {
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build_upper_left();
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build_down_left();
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}
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}
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}
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if(bottom_border) {
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for(x = [0:x_cells - 1]) {
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translate(cell_position(x, 0)) {
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build_down();
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if(x % 2 == 0) {
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build_down_left();
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build_down_right();
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}
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}
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}
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}
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}
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module hex_maze_stereographic_projection(x_cells, cell_radius, wall_thickness, fn, wall_height, shadow) {
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y_cells = round(0.866 * x_cells - 0.211);
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@ -22,7 +125,10 @@ module hex_maze_stereographic_projection(x_cells, cell_radius, wall_thickness, f
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pyramid_height = square_w / sqrt(2);
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// create a maze
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maze_vector = go_maze(1, 1, starting_maze(y_cells, x_cells), y_cells, x_cells);
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maze_vector = mz_blocks(
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[1, 1],
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y_cells, x_cells
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);
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stereographic_extrude(square_w, $fn = fn)
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translate([grid_w - square_w / 2, grid_h - square_w / 2, 0])
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